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685b4d8142
[Why] On APU should be always using prefetch mode 0. Currently, sometimes prefetch mode 1 is being used causing system to hard hang due to minTTUVBlank being too low. [How] Any ASIC running DCN21 will by default allow self refresh and mclk switch. This sets both min and max prefetch mode to 0 by default. Signed-off-by: Isabel Zhang <isabel.zhang@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.